SERIES 1950C $10 FRN by BLOCKS Circulation production: IA JA KA EB HB JB AC CC DC EC FC LC GF GG BH BI A* B* C* D* E* F* G* H* I* J* K* L* Total: 16 regular + 12 star = 28. Special production: none. Grand total: 28 different, 28 overall.